Test link multiplicity

This tests the LINK_INTERFACE_MULTIPLICITY property for a cycle of three
static libraries that must be scanned three times to link properly.

5 files changed, 11 insertions, 4 deletions

diff --git a/Tests/Dependency/Case2/CMakeLists.txt b/Tests/Dependency/Case2/CMakeLists.txt
index 18100cd..21caaad 100644
--- a/Tests/Dependency/Case2/CMakeLists.txt
+++ b/Tests/Dependency/Case2/CMakeLists.txt
@@ -1,11 +1,12 @@
 project(CASE2 C)
 
-add_library(case2Foo1 STATIC foo1.c foo1b.c)
-add_library(case2Foo2 STATIC foo2.c foo2b.c)
-add_library(case2Foo3 STATIC foo3.c foo3b.c)
+add_library(case2Foo1 STATIC foo1.c foo1b.c foo1c.c)
+add_library(case2Foo2 STATIC foo2.c foo2b.c foo2c.c)
+add_library(case2Foo3 STATIC foo3.c foo3b.c foo3c.c)
 target_link_libraries(case2Foo1 case2Foo2)
 target_link_libraries(case2Foo2 case2Foo3)
 target_link_libraries(case2Foo3 case2Foo1)
+set_property(TARGET case2Foo1 PROPERTY LINK_INTERFACE_MULTIPLICITY 3)
 
 add_library(case2Bar1 STATIC bar1.c)
 add_library(case2Bar2 STATIC bar2.c)
diff --git a/Tests/Dependency/Case2/foo1c.c b/Tests/Dependency/Case2/foo1c.c
new file mode 100644
index 0000000..1dcca58
--- /dev/null
+++ b/Tests/Dependency/Case2/foo1c.c
@@ -0,0 +1,2 @@
+extern int foo2c(void);
+int foo1c(void) { return foo2c(); }
diff --git a/Tests/Dependency/Case2/foo2c.c b/Tests/Dependency/Case2/foo2c.c
new file mode 100644
index 0000000..dbc54de
--- /dev/null
+++ b/Tests/Dependency/Case2/foo2c.c
@@ -0,0 +1,2 @@
+extern int foo3c(void);
+int foo2c(void) { return foo3c(); }
diff --git a/Tests/Dependency/Case2/foo3b.c b/Tests/Dependency/Case2/foo3b.c
index 90ea2f1..ca25fd8 100644
--- a/Tests/Dependency/Case2/foo3b.c
+++ b/Tests/Dependency/Case2/foo3b.c
@@ -1 +1,2 @@
-int foo3b(void) { return 0; }
+extern int foo1c(void);
+int foo3b(void) { return foo1c(); }
diff --git a/Tests/Dependency/Case2/foo3c.c b/Tests/Dependency/Case2/foo3c.c
new file mode 100644
index 0000000..0ad65fe
--- /dev/null
+++ b/Tests/Dependency/Case2/foo3c.c
@@ -0,0 +1 @@
+int foo3c(void) { return 0; }